Kiara Fabiola Reyes Fontanilla (born July 1, 2000) is a footballer who plays as a goalkeeper for PFF Women's League club Manila Digger.

[4] Fontanilla played for the varsity women's football (soccer) team of Norco High School under head coach Daniel Graffa.

She also played for local soccer club Arsenal FC where she helped make it to six consecutive editions of the Surf Cup from 2013 to 2018.

[10] In July 2024, after weeks of training with the team, the club officially announced the signing of the Philippines international goalkeeper, along with compatriot Rhea Chan.

A third-choice keeper for the tournament,[13] she made her senior national team debut in the Philippines' 0–4 loss to Australia.